Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {5, 29, 8, 17, 13, 21} → ______
- Prime numbers in {11, 27, 15, 19, 8, 21} → ______
- Prime numbers in {15, 13, 2, 29, 11, 17} → ______
- Prime numbers in {9, 27, 12, 2, 7, 5} → ______
- Prime numbers in {9, 7, 13, 15, 8, 2} → ______
- Prime numbers in {21, 17, 29, 27, 7, 3} → ______
- Prime numbers in {13, 17, 9, 27, 21, 3} → ______
- Prime numbers in {3, 13, 15, 21, 19, 29} → ______
- Prime numbers in {2, 3, 13, 8, 11, 25} → ______
- Prime numbers in {3, 19, 25, 13, 29, 27} → ______
- Prime numbers in {12, 25, 17, 21, 9, 23} → ______
- Prime numbers in {13, 27, 3, 29, 17, 19} → ______
- Prime numbers in {7, 25, 12, 11, 29, 17} → ______
- Prime numbers in {15, 9, 27, 8, 13, 12} → ______
- Prime numbers in {29, 2, 19, 8, 11, 3} → ______
- Prime numbers in {3, 8, 29, 15, 27, 9} → ______
- Prime numbers in {29, 21, 7, 12, 13, 19} → ______
- Prime numbers in {12, 5, 25, 15, 29, 11} → ______
- Prime numbers in {15, 9, 12, 7, 5, 23} → ______
- Prime numbers in {25, 23, 29, 11, 8, 13} → ______